Originally Posted by piston slapper
Question #19...Briggs 6 hp Quantum pushmower
Condition...Push the primer 3 times..engine runs for a few seconds and shuts off...
Engine will continue to run if you keep pushing the primer bulb..
Name That Failure..
Could be a cracked intake tube/manifold, or bad O ring.Could be a partly clogged bowl nut/jet. I've also ran into loose manifold/ shot gasket. Could be a gas cap not venting.